def main():
    x = int(input())

    print((2199 - x) // 200)

if __name__ == '__main__':
    main() def main():
    x = int(input())

    print((2199 - x) // 200) main x = int(input()) x int(input()) int input() input print((2199 - x) // 200) print (2199 - x) // 200 2199 - x 2199 x 200 if __name__ == '__main__':
    main() __name__ == '__main__' __name__ '__main__' main() main def main():
    x = int(input())

    print((2199 - x) // 200) def main():
    x = int(input())

    print((2199 - x) // 200) main
def main():
    x = int(input())

    print((2199 - x) // 200)

if __name__ == '__main__':
    main()
